Athearn Super Sale DealsClick Here!
Menu
Advanced Search
No product found
Cart
Fast Shipping - Huge Inventory Selection - WorldWide Shipping
Menu
Account

O Scale

O Scale Model TrainsO Scale Model Trains

O Scale (1:48) is one the most popular and oldest scales in the industry, featuring one of the largest varieties of high quality trains and accessories in the market. O scale trains are larger than HO scale trains and have lots of neat features and quality detail. Popular maufacturers of O scale trains include Lionel, MTH, Atlas, and Williams, among many more.

Filters
Clear All
View as Grid List

Items 1-35 of 63

Set Descending Direction
  1. Atlas 20024018 O 3RL DCS TMAN GP15-1 YORK RAIL #1531 (with front & rear ditchlights)
    Atlas 20024018 O 3RL DCS TMAN GP15-1 YORK RAIL #1531 (with front & rear ditchlights)
    Number 20024018
    Manufacturer Atlas
    Scale O
    $449.99
    Add to Wish List Add to Compare
  2. Atlas 20024019 O 3RL DCS TMAN GP15-1 YORK RAIL #1532 (with front & rear ditchlights)
    Atlas 20024019 O 3RL DCS TMAN GP15-1 YORK RAIL #1532 (with front & rear ditchlights)
    Number 20024019
    Manufacturer Atlas
    Scale O
    $449.99
    Add to Wish List Add to Compare
  3. Williams #21650 NW-2 Scale Diesel w/ Sound - Boston & Maine #1206
    Williams #21650 NW-2 Scale Diesel w/ Sound - Boston & Maine #1206
    Number 21650
    Manufacturer Williams
    Scale O
    Special Price $179.99 Regular Price $307.99
    Add to Wish List Add to Compare
  4. Williams #23401 F59PHI, Amtrak/Pacific Surfliner #459
    Williams #23401 F59PHI, Amtrak/Pacific Surfliner #459
    Number 23401
    Manufacturer Williams
    Scale O
    Special Price $249.99 Regular Price $362.99
    Add to Wish List Add to Compare
  5. Williams #23501 GE 70-Ton Switcher w/True Blast Plus Southern Pacific #5114
    Williams #23501 GE 70-Ton Switcher w/True Blast Plus Southern Pacific #5114
    Number 23501
    Manufacturer Williams
    Scale O
    Special Price $149.99 Regular Price $296.99
    Add to Wish List Add to Compare
  6. MTH 30-21139-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 47
    MTH 30-21139-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 47
    Number 30-21139-1
    Manufacturer MTH Trains
    Scale O
    $369.99
    Add to Wish List Add to Compare
  7. MTH 30-21140-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Green - Trainworld) Cab No. 43
    MTH 30-21140-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Green - Trainworld) Cab No. 43
    Number 30-21140-1
    Manufacturer MTH Trains
    Scale O
    Special Price $349.99 Regular Price $369.99
    Add to Wish List Add to Compare
  8. MTH 30-21141-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Desert - Trainworld) Cab No. 42
    MTH 30-21141-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Desert - Trainworld) Cab No. 42
    Number 30-21141-1
    Manufacturer MTH Trains
    Scale O
    $369.99
    Add to Wish List Add to Compare
  9. MTH 30-21153-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 48
    MTH 30-21153-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 48
    Number 30-21153-1
    Manufacturer MTH Trains
    Scale O
    $369.99
    Add to Wish List Add to Compare
  10. MTH 30-21327-1 O North Pole ES44AC Imperial Diesel Engine With Proto-Sound 3.0
    MTH 30-21327-1 O North Pole ES44AC Imperial Diesel Engine With Proto-Sound 3.0
    Number 30-21327-1
    Manufacturer MTH Trains
    Scale O
    $419.99
    Add to Wish List Add to Compare
  11. MTH 30-21328-1 O North Pole Alco PA A-Unit Diesel w/Proto-Sound 3.0
    MTH 30-21328-1 O North Pole Alco PA A-Unit Diesel w/Proto-Sound 3.0
    Number 30-21328-1
    Manufacturer MTH Trains
    Scale O
    $389.99
    Add to Wish List Add to Compare
  12. Atlas O 30138032 F40PH LOCOMOTIVE AMTRAK PHASE IV 404 (SILVER/BLUE/RED)
    Atlas O 30138032 F40PH LOCOMOTIVE AMTRAK PHASE IV 404 (SILVER/BLUE/RED)
    Number 30138032
    Manufacturer Atlas
    Scale O
    Special Price $399.99 Regular Price $589.99
    Add to Wish List Add to Compare
  13. Atlas O 30138033 F40PH LOCOMOTIVE AMTRAK PHASE IV 406 (SILVER/BLUE/RED)
    Atlas O 30138033 F40PH LOCOMOTIVE AMTRAK PHASE IV 406 (SILVER/BLUE/RED)
    Number 30138033
    Manufacturer Atlas
    Scale O
    Special Price $399.99 Regular Price $589.99
    Add to Wish List Add to Compare
  14. Atlas O 30138037 F40PH LOCOMOTIVE METRO NORTH 4194 (SILVER/BLACK/BLUE/RED)
    Atlas O 30138037 F40PH LOCOMOTIVE METRO NORTH 4194 (SILVER/BLACK/BLUE/RED)
    Number 30138037
    Manufacturer Atlas
    Scale O
    $589.99
    Add to Wish List Add to Compare
  15. Atlas O 30138040 O ATLAS PREMIER P-42 GENESIS LOCOMOTIVE AMTRAK P42 #161 - PHASE I 50TH
    Atlas O 30138040 O ATLAS PREMIER P-42 GENESIS LOCOMOTIVE AMTRAK P42 #161 - PHASE I 50TH
    Number 30138040
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $599.99
    Add to Wish List Add to Compare
  16. Atlas O 30138042 O ATLAS PREMIER P-42 GENESIS LOCOMOTIVE AMTRAK P42 #46 - PHASE V 50TH (SILVER/BLUE) (LAST ONE USED Odomteter 1199.1 Chronometer 112.50 Manual Missing No Snow Plow AS Is)) Runs & Works!
    Atlas O 30138042 O ATLAS PREMIER P-42 GENESIS LOCOMOTIVE AMTRAK P42 #46 - PHASE V 50TH (SILVER/BLUE) (LAST ONE USED Odomteter 1199.1 Chronometer 112.50 Manual Missing No Snow Plow AS Is)) Runs & Works!
    Number 30138042
    Manufacturer Atlas
    Scale O
    Special Price $349.99 Regular Price $599.99
    Add to Wish List Add to Compare
  17. Atlas 30138177 O ATLAS PREMIER ES44AC LOCOMOTIVE BNSF (H2 PUMPKIN W/SWOOSH) #5738
    Atlas 30138177 O ATLAS PREMIER ES44AC LOCOMOTIVE BNSF (H2 PUMPKIN W/SWOOSH) #5738
    Number 30138177
    Manufacturer Atlas
    Scale O
    $659.99
    Add to Wish List Add to Compare
  18. Atlas 30138185 O ATLAS Premier ES44AC Locomotive BNSF H2 (Pumpkin Scheme) #5719
    Atlas 30138185 O ATLAS Premier ES44AC Locomotive BNSF H2 (Pumpkin Scheme) #5719
    Number 30138185
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $659.99
    Add to Wish List Add to Compare
  19. Atlas 30138186 O ATLAS Premier ES44AC Locomotive BNSF H2 (Pumpkin Scheme) #5742
    Atlas 30138186 O ATLAS Premier ES44AC Locomotive BNSF H2 (Pumpkin Scheme) #5742
    Number 30138186
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $659.99
    Add to Wish List Add to Compare
  20. Atlas 30138201 O PREMIER SD70MAC LOCOMOTIVE BNSF (EX-BN EXCUTIVE W/BNSF WEDGE) 9624 (GREEN/TAN) - 3RL with Proto-Sound 3
    Atlas 30138201 O PREMIER SD70MAC LOCOMOTIVE BNSF (EX-BN EXCUTIVE W/BNSF WEDGE) 9624 (GREEN/TAN) - 3RL with Proto-Sound 3
    Number 30138201
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $659.99
    Add to Wish List Add to Compare
  21. Atlas 30138202 O PREMIER SD70MAC LOCOMOTIVE BNSF (EX-BN EXCUTIVE W/BNSF WEDGE) 9687 (GREEN/TAN) - 3RL with Proto-Sound 3
    Atlas 30138202 O PREMIER SD70MAC LOCOMOTIVE BNSF (EX-BN EXCUTIVE W/BNSF WEDGE) 9687 (GREEN/TAN) - 3RL with Proto-Sound 3
    Number 30138202
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $659.99
    Add to Wish List Add to Compare
  22. Atlas 30138204 O PREMIER SD70MAC LOCOMOTIVE CSX (YN3 WEBSITE) 4569 (BLUE/YELLOW) - 3RL with Proto-Sound 3
    Atlas 30138204 O PREMIER SD70MAC LOCOMOTIVE CSX (YN3 WEBSITE) 4569 (BLUE/YELLOW) - 3RL with Proto-Sound 3
    Number 30138204
    Manufacturer Atlas
    Scale O
    Special Price $599.99 Regular Price $659.99
    Add to Wish List Add to Compare
  23. Atlas 30138205 O PREMIER SD70MAC LOCOMOTIVE CSX (YN3 WEBSITE) 4571 (BLUE/YELLOW) - 3RL with Proto-Sound 3
    Atlas 30138205 O PREMIER SD70MAC LOCOMOTIVE CSX (YN3 WEBSITE) 4571 (BLUE/YELLOW) - 3RL with Proto-Sound 3
    Number 30138205
    Manufacturer Atlas
    Scale O
    Special Price $599.99 Regular Price $659.99
    Add to Wish List Add to Compare
  24. Atlas 30138210 O PREMIER SD70MAC LOCOMOTIVE RJ CORMAN 1973 (RED/WHITE/BLACK/GRAY/GOLD) - 3RL with Proto-Sound 3
    Atlas 30138210 O PREMIER SD70MAC LOCOMOTIVE RJ CORMAN 1973 (RED/WHITE/BLACK/GRAY/GOLD) - 3RL with Proto-Sound 3
    Number 30138210
    Manufacturer Atlas
    Scale O
    $659.99
    Add to Wish List Add to Compare
  25. Atlas 30138211 O PREMIER SD70MAC LOCOMOTIVE RJ CORMAN 2073 (RED/WHITE/BLACK/GRAY/GOLD) - 3RL with Proto-Sound 3
    Atlas 30138211 O PREMIER SD70MAC LOCOMOTIVE RJ CORMAN 2073 (RED/WHITE/BLACK/GRAY/GOLD) - 3RL with Proto-Sound 3
    Number 30138211
    Manufacturer Atlas
    Scale O
    $659.99
    Add to Wish List Add to Compare
  26. Atlas 30138212 O PREMIER SD70MAC LOCOMOTIVE UNION PACIFIC (ONE) 1979 (GRAY/WHITE/RED/ORANGE/BLUE) - 3RL with Proto-Sound 3
    Atlas 30138212 O PREMIER SD70MAC LOCOMOTIVE UNION PACIFIC (ONE) 1979 (GRAY/WHITE/RED/ORANGE/BLUE) - 3RL with Proto-Sound 3
    Number 30138212
    Manufacturer Atlas
    Scale O
    $699.99
    Add to Wish List Add to Compare
  27. Atlas 30138213 O PREMIER SD70MAC LOCOMOTIVE UNION PACIFIC (BIG BOY ESCORT) 4015 (YELLOW/RED/GRAY) - 3RL with Proto-Sound 3
    Atlas 30138213 O PREMIER SD70MAC LOCOMOTIVE UNION PACIFIC (BIG BOY ESCORT) 4015 (YELLOW/RED/GRAY) - 3RL with Proto-Sound 3
    Number 30138213
    Manufacturer Atlas
    Scale O
    $659.99
    Add to Wish List Add to Compare
  28. Atlas 30138229 O PREMIER E8 (POWERED) LOCOMOTIVE AMTRAK 203 (SILVER/RED/BLUE) - 3RL with Proto-Sound 3
    Atlas 30138229 O PREMIER E8 (POWERED) LOCOMOTIVE AMTRAK 203 (SILVER/RED/BLUE) - 3RL with Proto-Sound 3
    Number 30138229
    Manufacturer Atlas
    Scale O
    Special Price $549.99 Regular Price $584.99
    Add to Wish List Add to Compare
  29. Atlas 30138230 O PREMIER E8 (POWERED) LOCOMOTIVE AMTRAK 205 (SILVER/RED/BLUE) - 3RL with Proto-Sound 3
    Atlas 30138230 O PREMIER E8 (POWERED) LOCOMOTIVE AMTRAK 205 (SILVER/RED/BLUE) - 3RL with Proto-Sound 3
    Number 30138230
    Manufacturer Atlas
    Scale O
    Special Price $499.99 Regular Price $584.99
    Add to Wish List Add to Compare
  30. Atlas 30138306 O 3RL PREMIER STEAM 2-8-0 SOUTHERN RAILWAY #630
    Atlas 30138306 O 3RL PREMIER STEAM 2-8-0 SOUTHERN RAILWAY #630
    Number 30138306
    Manufacturer Atlas
    Scale O
    $779.99
    Add to Wish List Add to Compare
  31. Atlas 30138327 O 3RL PREMIER P42 GENESIS METRO NORTH - MTA FL9 COMMEMORATIVE #208
    Atlas 30138327 O 3RL PREMIER P42 GENESIS METRO NORTH - MTA FL9 COMMEMORATIVE #208
    Number 30138327
    Manufacturer Atlas
    Scale O
    $699.99
    Add to Wish List Add to Compare
  32. Atlas 30138329 O 3RL PREMIER P42 GENESIS NJ TRANSIT #4800
    Atlas 30138329 O 3RL PREMIER P42 GENESIS NJ TRANSIT #4800
    Number 30138329
    Manufacturer Atlas
    Scale O
    $629.99
    Add to Wish List Add to Compare
  33. Atlas 30138330 O 3RL PREMIER P42 GENESIS NJ TRANSIT #4802
    Atlas 30138330 O 3RL PREMIER P42 GENESIS NJ TRANSIT #4802
    Number 30138330
    Manufacturer Atlas
    Scale O
    $629.99
    Add to Wish List Add to Compare
  34. Atlas 30138338 O GP38-2 AMTRAK PHASE VII #740
    Atlas 30138338 O GP38-2 AMTRAK PHASE VII #740
    Number 30138338
    Manufacturer Atlas
    Scale O
    $649.99
    Add to Wish List Add to Compare
  35. Atlas 30138339 O GP38-2 AMTRAK PHASE VII #742
    Atlas 30138339 O GP38-2 AMTRAK PHASE VII #742
    Number 30138339
    Manufacturer Atlas
    Scale O
    $649.99
    Add to Wish List Add to Compare
Page
per page
Filters
Now Shopping by
  1. Engine Electronics
    DCC And Sound
  2. Engine Electronics
    Williams True Blast PLUS Sounds
Clear All
Shopping Options
Manufacturer
  1. Atlas 54 items
  2. MTH Trains 6 items
  3. Williams 3 items
Product Line
  1. MTH Railking 6 items
New Arrivals
  1. New 6 items
Preorder
  1. Yes 30 items
  2. No 33 items
Trains
  1. Christmas 2 items
  2. Diesel Locomotives 62 items
  3. Steam Locomotives 1 item
  4. TrainWorld Exclusive 6 items
Engine Style
  1. 2-8-0 - Consolidation -H - H10 - C19 1 item
  2. 70 Ton 1 item
  3. C 44-9W 8 items
  4. C 420 - C 424 - C 425 - C 430 4 items
  5. E8 - E9 2 items
  6. ES44AC (GEVO) 4 items
  7. F40PH 3 items
  8. F59PHI 1 item
  9. GP 15 2 items
  10. GP 30 1 item
  11. GP 38 - GP 38-2 12 items
  12. GP 40 - GP 40-2 2 items
  13. NW 2 5 items
  14. P40 - P42 Genesis 5 items
  15. PA - PB 1 item
  16. S 2 2 items
  17. SD70 SD70ACe SD70MAc SD70ACU SD70M 8 items
  18. U 30B - U 30C 1 item
Engine Electronics
  1. Motorized (Standard DC-AC) 93 items
  2. DCC And Sound 60 items
  3. Sound 11 items
  4. Proto Sound 3.0 248 items
  5. LionChief (Basic, Plus, 2.0) 159 items
  6. Legacy 473 items
  7. TMCC (Trainmaster Command Control) 16 items
  8. Williams True Blast II Whistle-Horn & Bell 1 item
  9. Williams True Blast PLUS Sounds 3 items
  10. Non Powered 58 items
  11. Battery 4 items
  12. Sound|Non Powered 23 items
Road Name
  1. Amtrak 9 items
  2. Army 2 items
  3. BNSF - Burlington Northern Santa Fe 8 items
  4. Boston & Maine - B&M 1 item
  5. Canadian Pacific - CP - CP Rail 3 items
  6. Chesapeake & Ohio - C&O 1 item
  7. Chessie 2 items
  8. Christmas 2 items
  9. Conrail 3 items
  10. CSX 2 items
  11. Delaware & Hudson - D&H 1 item
  12. Long Island - LIRR 4 items
  13. METRA 1 item
  14. Metro North 2 items
  15. Military 2 items
  16. Morristown & Erie 1 item
  17. NJ Transit 2 items
  18. Norfolk Southern - NS 1 item
  19. R.J. Corman 2 items
  20. Reading & Northern 2 items
  21. Santa Fe 2 items
  22. Southern 1 item
  23. Southern Pacific - SP 4 items
  24. Union Pacific - UP 4 items
  25. Vermont 1 item
Catalog
  1. Atlas Spring 2023 10 items
  2. Atlas 2024 Vol1 6 items
  3. Atlas Winter 2025 3 items
  4. Atlas 2024 Summer 20 items
Price
On Sale
  1. Yes 16 items
  2. No 47 items
Compare
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Wish List
Last Added Items
  1. View Pre Order View Pre Order
    Remove This Item
Go to Wish List
You have no items in your wish list.
® Copyright 2025 Trainworld. All Rights Reserved.
Verified merchant by Authorize.net
Payment methods.